<template>
  <transition name="slide">
    <music-list :title="title" :bg-image="bgImage" :songs="songs" :rank="rank"></music-list>
  </transition>
</template>

<script type="text/ecmascript-6">
import MusicList from 'components/music-list/music-list'
import {mapGetters} from 'vuex'
import {getMusicList} from 'api/rank'
import {ERR_OK} from 'api/config'
import {createsong} from 'common/js/song'
  export default{
    components: {
      MusicList
    },
    created() {
        this._getMusicList()
    },
    data() {
        return {
            songs: [],
            rank: true
        }
    },
    computed: {
        title() {
            return this.topList.topTitle
        },
      bgImage() {
            return this.topList.picUrl
      },
        ...mapGetters([
          'topList'
        ])
    },
    methods: {
      _getMusicList() {
        if (!this.topList.id) {
          this.$router.push('/rank')
          return
        }
        getMusicList(this.topList.id).then((res) => {
            if (res.code === ERR_OK) {
                   console.log(this._normalizeSongs(res.songlist))
                    this.songs = this._normalizeSongs(res.songlist)
            }
        })
      },
      _normalizeSongs(list) {
              let ret = []
             list.forEach((item) => {
                  const musicData = item.data
               if (musicData.songid && musicData.albumid) {
                      ret.push(createsong(musicData))
               }
             })
        return ret
      }
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
.slide-enter-active, .slide-leave-active
  transition: all 0.3s ease

.slide-enter, .slide-leave-to
  transform: translate3d(100%, 0, 0)
</style>
